论文部分内容阅读
林木病害的防治措施,是根据病害的发生发展规律来制定的。非侵染性病害是由不适宜的环境条件引起的,其防治方法主要是改善环境条件及增强植物的抗病力。侵染性病害是由寄主、病原、环境三者综合作用的结果。因此,防治应从培养抗病品种、改进栽培技木,提高植物抗病力;防止病原侵入,消灭已存在的病菌;改善环境条件,使其有利于寄主生长,不利于病菌侵染与生长等方面入手。具体方法:一、植物检疫植物检疫是由国家颁布法令,对植物及其
Prevention and treatment of forest disease prevention measures are based on the occurrence and development of diseases to develop. Non-infective diseases are caused by unfavorable environmental conditions, and their prevention and treatment methods are mainly to improve the environmental conditions and enhance the plant’s disease resistance. Infectious diseases are the result of the combined action of host, pathogen and environment. Therefore, the prevention and treatment should be from cultivating resistant varieties, improving cultivation techniques, improving plant disease resistance; preventing pathogen invasion, eliminating existing germs; improving environmental conditions, making it conducive to the host growth is not conducive to pathogen infection and growth Start. Specific methods: First, the phytosanitary Phytosanitary is enacted by the state decree, the plant and its